Sphere A is located at the origin and has a charge of +2.0x10^-6 C. Sphere B is located at +0.60 m on the x-axis and has a charge of -3.6x10^-6 C. Sphere C is located at +0.80 m on the x-axis and has a charge of +4.0x10^-6 C. Determine the net force on sphere B.
